Q. Colours in thin films are due to
A) Diffraction phenomenon
B) Scattering phenomenon
C) Interference phenomenon
D) Polarization phenomenon
Explanation
(c) When the light rays fall on thin film of oil then rays are reflected from upper and lower layer of the thin films. These reflected rays produce interference pattern due which surface of thin film appears as coloured.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.